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Tricky Problem

Algebra Level 4

If \((w+1)(w-1)\) = \(w\)

... then find the value of: \(w^{20}\)\( +\)\(w^{-20}\)

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Excel in math and science

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It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

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including olympiad champions, researchers, and professionals.

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by Akshay Sant

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